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Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool BPP Sensor parameter while applying and releasing the brake pedal. The parameter should change between low counts and high counts when changing between the selected states.
    • If the parameter does not change between the selected states, refer to the Brake Pedal Position Sensor Malfunction.
  2. Verify the scan tool Brake Pedal Position Sensor Learned Release Position parameter, located in the BCM Chassis Control Data display, is within 0.1 V of the Brake Pedal Position Sensor parameter when the brake pedal is fully released.
  3. Observe the left and right stop lamps while pressing and releasing the brake pedal. The stop lamps should turn ON and OFF when changing between the selected states.
    • If the left or right stop lamps do not change between the selected states, refer to the Stop Lamp Malfunction.
  4. Observe the center high mount stop lamp while pressing and releasing the brake pedal. The center high mount stop lamp should turn ON and OFF when changing between the selected states.
    • If the center high mount stop lamp does not change between the selected states, refer to Center High Mount Stop Lamp Malfunction.
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